As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TYS - THE RIGHT ENGINE WAS REMOVED AND REPLACED DUE TO HP VIBRATION IN THE YELLOW RANGE ON TAKEOFF ROLL. MAINTENANCE REMOVED AND REPLACED THE ENGINE IAW CONTINENTAL EXPRESS TASK CARD NR 6271001, OPERATIONAL AND LEAK CHECKS WERE SATISFACTORY. AIRCRAFT RELEASED FOR SERVICE. (M)